A+19.7 = B+20-（） B×25 = B×100÷（）

(2013·高考重庆卷，B)It is easy to overlook the role that your body plays in influencing your mood(情绪)．When you are____，you may find yourself  blaming work pressures or an unknown future.However，it could just be that you’ve been sitting behind your desk too long.
One way to improve your mood is____.Psychologically，it provides you with a break from the stresses in your life.Also，in the process，you may aim for____goals，like a new personal running record or a better body shape.The achievement of a particular goal makes you feel good and contributes to your____.That is why exercise has been shown to____your self­respect.
You do not have to train yourself____to feel the psychological benefits of exercise.What really matters is____，not intensity(强度)of your exercise.You can try walking for 30 minutes five times per week or simply gardening on weekends.

小题1:	A．ill B．poor C．unhappy D．unsuccessful

小题2:	A．play B．communication C．sleep D．exercise

小题3:	A．clear B．present C．common D．early

小题4:	A．ability B．relationship C．confidence D．business

小题5:	A．tear down B．build up C．set aside D．give out

小题6:	A．hard B．everywhere C．carefully D．late

小题7:	A．time B．length C．form D．frequency